If Aaron had known it was Mr. Gossett\'s voice he heard and Mr. Gossett\'s hand that brought the buggy whip down on the poor horse\'s back with such cruel energy, the probability is that he would have taken to his heels; and yet it is impossible to say with certainty. The Son of Ben Ali was such a curious compound that his actions depended entirely on the mood he chanced to be in. He was full of courage, and yet was terribly afraid at times. He was dignified and proud, and yet no............